1 // File: SketchPlugin_Arc.cpp
2 // Created: 26 Apr 2014
3 // Author: Artem ZHIDKOV
5 #include "SketchPlugin_Arc.h"
6 #include "SketchPlugin_Sketch.h"
7 #include <ModelAPI_Data.h>
9 #include <GeomAPI_Circ2d.h>
10 #include <GeomAPI_Pnt2d.h>
12 #include <GeomDataAPI_Point2D.h>
13 #include <GeomDataAPI_Dir.h>
15 #include <GeomAlgoAPI_PointBuilder.h>
16 #include <GeomAlgoAPI_EdgeBuilder.h>
17 #include <GeomAlgoAPI_CompoundBuilder.h>
19 #include <Precision.hxx>
21 SketchPlugin_Arc::SketchPlugin_Arc()
22 : SketchPlugin_Feature()
26 void SketchPlugin_Arc::initAttributes()
28 data()->addAttribute(ARC_ATTR_CENTER, GeomDataAPI_Point2D::type());
29 data()->addAttribute(ARC_ATTR_START, GeomDataAPI_Point2D::type());
30 data()->addAttribute(ARC_ATTR_END, GeomDataAPI_Point2D::type());
33 void SketchPlugin_Arc::execute()
37 const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Arc::preview()
39 SketchPlugin_Sketch* aSketch = sketch();
41 std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
43 // compute a circle point in 3D view
44 boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
45 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_CENTER));
46 boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
47 // make a visible point
48 boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
49 aShapes.push_back(aCenterPointShape);
51 // make a visible circle
52 boost::shared_ptr<GeomDataAPI_Dir> aNDir =
53 boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
54 bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
56 boost::shared_ptr<GeomAPI_Dir> aNormal = aNDir->dir();
57 // compute the arc start point
58 boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
59 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_START));
60 boost::shared_ptr<GeomAPI_Pnt> aStartPoint(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
62 // compute and change the arc end point
63 boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
64 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(ARC_ATTR_END));
65 if (anEndAttr->isInitialized())
67 boost::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
68 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
69 boost::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEndAttr->pnt());
70 if (aProjection && anEndAttr->pnt()->distance(aProjection) > Precision::Confusion())
71 anEndAttr->setValue(aProjection);
73 boost::shared_ptr<GeomAPI_Pnt> aEndPoint(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
75 boost::shared_ptr<GeomAPI_Shape> aCircleShape =
76 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStartPoint, aEndPoint, aNormal);
78 aShapes.push_back(aCircleShape);
80 boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
81 setPreview(aCompound);
86 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
88 boost::shared_ptr<ModelAPI_Data> aData = data();
89 if (!aData->isValid())
92 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
93 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
94 aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
96 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
97 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
98 aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
100 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
101 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
102 aPoint3->setValue(aPoint3->x() + theDeltaX, aPoint3->y() + theDeltaY);
105 double SketchPlugin_Arc::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
108 boost::shared_ptr<ModelAPI_Data> aData = data();
110 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
111 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_CENTER));
112 aDelta = aPoint1->pnt()->distance(thePoint);
114 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
115 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_START));
116 double aDistance = aPoint2->pnt()->distance(thePoint);
117 if (aDelta < aDistance)
120 boost::shared_ptr<GeomDataAPI_Point2D> aPoint3 =
121 boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(ARC_ATTR_END));
122 aDistance = aPoint3->pnt()->distance(thePoint);
123 if (aDelta < aDistance)